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. 2023 Apr 6;13(8):5428–5448. doi: 10.1021/acscatal.3c00591

Scheme 5. Radical Reactivity of Iron-Carbene Complexes.

Scheme 5

(A) Structurally characterized reported iron carbene radical complexes. (B) Reactivity of Chirik’s iron carbene radical complex towards CO, H2, and azides. (C) Reactivity of a masked phosphorus ylide, proceeding via a transient high-spin iron carbene radical, that can cyclopropanate a variety of alkenes. (D) Reactivity of iron porphyrin complexes (derived from Rhodothermus marinus cytochrome c) in a carbene-transfer silylation reaction.